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Carbon calculators for every building material

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Data from ecoinvent v3.12 · Results indicative (±15–25%) · Not a certified EPD

Concrete & Masonry

Concrete

Ready-mix, precast, shotcrete, grout

1 m³

Avg 270 kg CO₂-eq/m³ · Low 180 kg CO₂-eq/m³

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Masonry

CMU, clay brick, natural stone, precast panels

1 unit

Avg 2.5 kg CO₂-eq/unit · Low 0.3 kg CO₂-eq/unit

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Metals

Steel

Structural, rebar, sheet, hollow sections

1 tonne

Avg 1200 kg CO₂-eq/t · Low 500 kg CO₂-eq/t

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Aluminum

Extrusion, sheet, curtainwall, cast

1 kg

Avg 9.5 kg CO₂-eq/kg · Low 3.5 kg CO₂-eq/kg

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Envelope & Glazing

Glazing

Float glass, IGU, low-e, laminated

1 m²

Avg 23 kg CO₂-eq/m² · Low 15 kg CO₂-eq/m²

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Roofing

TPO, EPDM, modified bitumen, metal

1 m²

Avg 6 kg CO₂-eq/m² · Low 3 kg CO₂-eq/m²

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Insulation

Mineral wool, EPS, XPS, PIR, spray foam

1 m²

Avg 5 kg CO₂-eq/m² · Low 1.5 kg CO₂-eq/m²

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Interior

Gypsum Board

Drywall, sheathing, fire-rated, ceiling tile

1 m²

Avg 3.5 kg CO₂-eq/m² · Low 2.5 kg CO₂-eq/m²

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Flooring

Carpet, LVT/LVP, hardwood, ceramic, linoleum

1 m²

Avg 8 kg CO₂-eq/m² · Low 3 kg CO₂-eq/m²

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Coatings

Architectural paint, primers, industrial coatings

1 L

Avg 2.8 kg CO₂-eq/L · Low 1.5 kg CO₂-eq/L

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Wood & Timber

Mass Timber

CLT, glulam, LVL, NLT, I-joist

1 m³

Avg -350 kg CO₂-eq/m³ · Low -600 kg CO₂-eq/m³

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MEP

Piping

PVC, HDPE, copper, ductile iron, steel pipe

1 m

Avg 4 kg CO₂-eq/m · Low 1.5 kg CO₂-eq/m

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Mechanical / HVAC

AHUs, chillers, heat pumps, ductwork, RTUs

1 unit

Avg 2500 kg CO₂-eq/unit · Low 500 kg CO₂-eq/unit

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Other Industries

Packaging

Corrugated board, plastic containers, labels

1 m²

Avg 2 kg CO₂-eq/m² · Low 0.8 kg CO₂-eq/m²

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Furniture

Office seating, workstations, case goods

1 unit

Avg 65 kg CO₂-eq/unit · Low 20 kg CO₂-eq/unit

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Electronics

Servers, data center equipment, ICT hardware

1 unit

Avg 500 kg CO₂-eq/unit · Low 150 kg CO₂-eq/unit

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Food Products

Dairy, packaged food, beverages

1 kg

Avg 4 kg CO₂-eq/kg · Low 0.7 kg CO₂-eq/kg

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